Upload folder using huggingface_hub
Browse files- config.json +25 -0
- configuration_qwen2_vl.py +57 -0
- image_processing_qwen2_vl.py +494 -0
- model.safetensors +3 -0
- modeling_qwen2_vl.py +410 -0
- preprocessor_config.json +30 -0
config.json
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{
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"architectures": [
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"Qwen2VisionTransformerPretrainedModel"
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],
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"auto_map": {
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"AutoConfig": "configuration_qwen2_vl.Qwen2VLVisionConfig",
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"AutoModel": "modeling_qwen2_vl.Qwen2VisionTransformerPretrainedModel"
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},
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"depth": 32,
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"embed_dim": 1280,
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"hidden_act": "quick_gelu",
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"hidden_size": 1536,
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"in_channels": 3,
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"in_chans": 3,
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"initializer_range": 0.02,
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"mlp_ratio": 4,
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"model_type": "qwen2_vl",
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"num_heads": 16,
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"patch_size": 14,
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"spatial_merge_size": 2,
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"spatial_patch_size": 14,
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"temporal_patch_size": 2,
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"torch_dtype": "bfloat16",
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"transformers_version": "4.52.1"
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}
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configuration_qwen2_vl.py
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# coding=utf-8
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# Copyright 2024 The Qwen team, Alibaba Group and the HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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| 14 |
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# limitations under the License.
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"""Qwen2VL model configuration"""
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from transformers.configuration_utils import PretrainedConfig
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from transformers.utils import logging
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logger = logging.get_logger(__name__)
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class Qwen2VLVisionConfig(PretrainedConfig):
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model_type = "qwen2_vl"
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base_config_key = "vision_config"
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def __init__(
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self,
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depth=32,
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embed_dim=1280,
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hidden_size=3584,
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hidden_act="quick_gelu",
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mlp_ratio=4,
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num_heads=16,
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in_channels=3,
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patch_size=14,
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spatial_merge_size=2,
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temporal_patch_size=2,
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initializer_range=0.02,
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**kwargs,
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):
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super().__init__(**kwargs)
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self.depth = depth
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self.embed_dim = embed_dim
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self.hidden_size = hidden_size
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self.hidden_act = hidden_act
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self.mlp_ratio = mlp_ratio
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self.num_heads = num_heads
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self.in_channels = in_channels
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self.patch_size = patch_size
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self.spatial_merge_size = spatial_merge_size
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self.temporal_patch_size = temporal_patch_size
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self.initializer_range = initializer_range
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image_processing_qwen2_vl.py
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|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2024 The Qwen team, Alibaba Group and the HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# This code is based on EleutherAI's GPT-NeoX library and the GPT-NeoX
|
| 5 |
+
# and OPT implementations in this library. It has been modified from its
|
| 6 |
+
# original forms to accommodate minor architectural differences compared
|
| 7 |
+
# to GPT-NeoX and OPT used by the Meta AI team that trained the model.
|
| 8 |
+
#
|
| 9 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 10 |
+
# you may not use this file except in compliance with the License.
|
| 11 |
+
# You may obtain a copy of the License at
|
| 12 |
+
#
|
| 13 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 14 |
+
#
|
| 15 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 16 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 17 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 18 |
+
# See the License for the specific language governing permissions and
|
| 19 |
+
# limitations under the License.
|
| 20 |
+
"""Image processor class for Qwen2-VL."""
|
| 21 |
+
|
| 22 |
+
import math
|
| 23 |
+
from typing import Dict, List, Optional, Union
|
| 24 |
+
|
| 25 |
+
import numpy as np
|
| 26 |
+
|
| 27 |
+
from ...image_processing_utils import BaseImageProcessor, BatchFeature
|
| 28 |
+
from ...image_transforms import (
|
| 29 |
+
convert_to_rgb,
|
| 30 |
+
resize,
|
| 31 |
+
to_channel_dimension_format,
|
| 32 |
+
)
|
| 33 |
+
from ...image_utils import (
|
| 34 |
+
OPENAI_CLIP_MEAN,
|
| 35 |
+
OPENAI_CLIP_STD,
|
| 36 |
+
ChannelDimension,
|
| 37 |
+
ImageInput,
|
| 38 |
+
PILImageResampling,
|
| 39 |
+
get_image_size,
|
| 40 |
+
infer_channel_dimension_format,
|
| 41 |
+
is_scaled_image,
|
| 42 |
+
make_flat_list_of_images,
|
| 43 |
+
make_list_of_images,
|
| 44 |
+
to_numpy_array,
|
| 45 |
+
valid_images,
|
| 46 |
+
validate_preprocess_arguments,
|
| 47 |
+
)
|
| 48 |
+
from ...utils import TensorType, logging
|
| 49 |
+
from ...video_utils import VideoInput, make_batched_videos
|
| 50 |
+
|
| 51 |
+
|
| 52 |
+
logger = logging.get_logger(__name__)
|
| 53 |
+
|
| 54 |
+
|
| 55 |
+
def smart_resize(
|
| 56 |
+
height: int, width: int, factor: int = 28, min_pixels: int = 56 * 56, max_pixels: int = 14 * 14 * 4 * 1280
|
| 57 |
+
):
|
| 58 |
+
"""Rescales the image so that the following conditions are met:
|
| 59 |
+
|
| 60 |
+
1. Both dimensions (height and width) are divisible by 'factor'.
|
| 61 |
+
|
| 62 |
+
2. The total number of pixels is within the range ['min_pixels', 'max_pixels'].
|
| 63 |
+
|
| 64 |
+
3. The aspect ratio of the image is maintained as closely as possible.
|
| 65 |
+
|
| 66 |
+
"""
|
| 67 |
+
if height < factor or width < factor:
|
| 68 |
+
raise ValueError(f"height:{height} and width:{width} must be larger than factor:{factor}")
|
| 69 |
+
elif max(height, width) / min(height, width) > 200:
|
| 70 |
+
raise ValueError(
|
| 71 |
+
f"absolute aspect ratio must be smaller than 200, got {max(height, width) / min(height, width)}"
|
| 72 |
+
)
|
| 73 |
+
h_bar = round(height / factor) * factor
|
| 74 |
+
w_bar = round(width / factor) * factor
|
| 75 |
+
if h_bar * w_bar > max_pixels:
|
| 76 |
+
beta = math.sqrt((height * width) / max_pixels)
|
| 77 |
+
h_bar = math.floor(height / beta / factor) * factor
|
| 78 |
+
w_bar = math.floor(width / beta / factor) * factor
|
| 79 |
+
elif h_bar * w_bar < min_pixels:
|
| 80 |
+
beta = math.sqrt(min_pixels / (height * width))
|
| 81 |
+
h_bar = math.ceil(height * beta / factor) * factor
|
| 82 |
+
w_bar = math.ceil(width * beta / factor) * factor
|
| 83 |
+
return h_bar, w_bar
|
| 84 |
+
|
| 85 |
+
|
| 86 |
+
class Qwen2VLImageProcessor(BaseImageProcessor):
|
| 87 |
+
r"""
|
| 88 |
+
Constructs a Qwen2-VL image processor that dynamically resizes images based on the original images.
|
| 89 |
+
|
| 90 |
+
Args:
|
| 91 |
+
do_resize (`bool`, *optional*, defaults to `True`):
|
| 92 |
+
Whether to resize the image's (height, width) dimensions.
|
| 93 |
+
size (`Dict[str, int]`, *optional*, defaults to `{"shortest_edge": 56 * 56, "longest_edge": 28 * 28 * 1280}`):
|
| 94 |
+
Size of the image after resizing. `shortest_edge` and `longest_edge` keys must be present.
|
| 95 |
+
resample (`PILImageResampling`, *optional*, defaults to `Resampling.BICUBIC`):
|
| 96 |
+
Resampling filter to use when resizing the image.
|
| 97 |
+
do_rescale (`bool`, *optional*, defaults to `True`):
|
| 98 |
+
Whether to rescale the image by the specified scale `rescale_factor`.
|
| 99 |
+
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
|
| 100 |
+
Scale factor to use if rescaling the image.
|
| 101 |
+
do_normalize (`bool`, *optional*, defaults to `True`):
|
| 102 |
+
Whether to normalize the image.
|
| 103 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `[0.48145466, 0.4578275, 0.40821073]`):
|
| 104 |
+
Mean to use if normalizing the image. This is a float or list of floats for each channel in the image.
|
| 105 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `[0.26862954, 0.26130258, 0.27577711]`):
|
| 106 |
+
Standard deviation to use if normalizing the image. This is a float or list of floats for each channel in the image.
|
| 107 |
+
do_convert_rgb (`bool`, *optional*, defaults to `True`):
|
| 108 |
+
Whether to convert the image to RGB.
|
| 109 |
+
min_pixels (`int`, *optional*, defaults to `56 * 56`):
|
| 110 |
+
The min pixels of the image to resize the image.
|
| 111 |
+
max_pixels (`int`, *optional*, defaults to `28 * 28 * 1280`):
|
| 112 |
+
The max pixels of the image to resize the image.
|
| 113 |
+
patch_size (`int`, *optional*, defaults to 14):
|
| 114 |
+
The spatial patch size of the vision encoder.
|
| 115 |
+
temporal_patch_size (`int`, *optional*, defaults to 2):
|
| 116 |
+
The temporal patch size of the vision encoder.
|
| 117 |
+
merge_size (`int`, *optional*, defaults to 2):
|
| 118 |
+
The merge size of the vision encoder to llm encoder.
|
| 119 |
+
"""
|
| 120 |
+
|
| 121 |
+
model_input_names = ["pixel_values", "image_grid_thw", "pixel_values_videos", "video_grid_thw"]
|
| 122 |
+
|
| 123 |
+
def __init__(
|
| 124 |
+
self,
|
| 125 |
+
do_resize: bool = True,
|
| 126 |
+
size: Optional[Dict[str, int]] = None,
|
| 127 |
+
resample: PILImageResampling = PILImageResampling.BICUBIC,
|
| 128 |
+
do_rescale: bool = True,
|
| 129 |
+
rescale_factor: Union[int, float] = 1 / 255,
|
| 130 |
+
do_normalize: bool = True,
|
| 131 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 132 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 133 |
+
do_convert_rgb: bool = True,
|
| 134 |
+
min_pixels: Optional[int] = None,
|
| 135 |
+
max_pixels: Optional[int] = None,
|
| 136 |
+
patch_size: int = 14,
|
| 137 |
+
temporal_patch_size: int = 2,
|
| 138 |
+
merge_size: int = 2,
|
| 139 |
+
**kwargs,
|
| 140 |
+
) -> None:
|
| 141 |
+
super().__init__(**kwargs)
|
| 142 |
+
if size is not None and ("shortest_edge" not in size or "longest_edge" not in size):
|
| 143 |
+
raise ValueError("size must contain 'shortest_edge' and 'longest_edge' keys.")
|
| 144 |
+
else:
|
| 145 |
+
size = {"shortest_edge": 56 * 56, "longest_edge": 28 * 28 * 1280}
|
| 146 |
+
# backward compatibility: override size with min_pixels and max_pixels if they are provided
|
| 147 |
+
if min_pixels is not None:
|
| 148 |
+
size["shortest_edge"] = min_pixels
|
| 149 |
+
if max_pixels is not None:
|
| 150 |
+
size["longest_edge"] = max_pixels
|
| 151 |
+
self.min_pixels = size["shortest_edge"]
|
| 152 |
+
self.max_pixels = size["longest_edge"]
|
| 153 |
+
self.size = size
|
| 154 |
+
|
| 155 |
+
self.do_resize = do_resize
|
| 156 |
+
self.resample = resample
|
| 157 |
+
self.do_rescale = do_rescale
|
| 158 |
+
self.rescale_factor = rescale_factor
|
| 159 |
+
self.do_normalize = do_normalize
|
| 160 |
+
self.image_mean = image_mean if image_mean is not None else OPENAI_CLIP_MEAN
|
| 161 |
+
self.image_std = image_std if image_std is not None else OPENAI_CLIP_STD
|
| 162 |
+
|
| 163 |
+
self.patch_size = patch_size
|
| 164 |
+
self.temporal_patch_size = temporal_patch_size
|
| 165 |
+
self.merge_size = merge_size
|
| 166 |
+
self.do_convert_rgb = do_convert_rgb
|
| 167 |
+
|
| 168 |
+
def _preprocess(
|
| 169 |
+
self,
|
| 170 |
+
images: Union[ImageInput, VideoInput],
|
| 171 |
+
do_resize: Optional[bool] = None,
|
| 172 |
+
size: Optional[Dict[str, int]] = None,
|
| 173 |
+
resample: PILImageResampling = None,
|
| 174 |
+
do_rescale: Optional[bool] = None,
|
| 175 |
+
rescale_factor: Optional[float] = None,
|
| 176 |
+
do_normalize: Optional[bool] = None,
|
| 177 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 178 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 179 |
+
patch_size: Optional[int] = None,
|
| 180 |
+
temporal_patch_size: Optional[int] = None,
|
| 181 |
+
merge_size: Optional[int] = None,
|
| 182 |
+
do_convert_rgb: Optional[bool] = None,
|
| 183 |
+
data_format: Optional[ChannelDimension] = ChannelDimension.FIRST,
|
| 184 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 185 |
+
):
|
| 186 |
+
"""
|
| 187 |
+
Preprocess an image or batch of images. Copy of the `preprocess` method from `CLIPImageProcessor`.
|
| 188 |
+
|
| 189 |
+
Args:
|
| 190 |
+
images (`ImageInput`):
|
| 191 |
+
Image or batch of images to preprocess. Expects pixel values ranging from 0 to 255. If pixel values range from 0 to 1, set `do_rescale=False`.
|
| 192 |
+
vision_info (`List[Dict]`, *optional*):
|
| 193 |
+
Optional list of dictionaries containing additional information about vision inputs.
|
| 194 |
+
do_resize (`bool`, *optional*, defaults to `self.do_resize`):
|
| 195 |
+
Whether to resize the image.
|
| 196 |
+
size (`Dict[str, int]`, *optional*, defaults to `self.size`):
|
| 197 |
+
Size of the image after resizing. `shortest_edge` and `longest_edge` keys must be present.
|
| 198 |
+
resample (`PILImageResampling`, *optional*, defaults to `self.resample`):
|
| 199 |
+
Resampling filter to use if resizing the image. This can be one of the `PILImageResampling` enums.
|
| 200 |
+
do_rescale (`bool`, *optional*, defaults to `self.do_rescale`):
|
| 201 |
+
Whether to rescale the image.
|
| 202 |
+
rescale_factor (`float`, *optional*, defaults to `self.rescale_factor`):
|
| 203 |
+
Scale factor to use if rescaling the image.
|
| 204 |
+
do_normalize (`bool`, *optional*, defaults to `self.do_normalize`):
|
| 205 |
+
Whether to normalize the image.
|
| 206 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `self.image_mean`):
|
| 207 |
+
Mean to use if normalizing the image. Can be a float or a list of floats corresponding to the number of channels in the image.
|
| 208 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `self.image_std`):
|
| 209 |
+
Standard deviation to use if normalizing the image. Can be a float or a list of floats corresponding to the number of channels in the image.
|
| 210 |
+
patch_size (`int`, *optional*, defaults to `self.patch_size`):
|
| 211 |
+
The spatial patch size of the vision encoder.
|
| 212 |
+
temporal_patch_size (`int`, *optional*, defaults to `self.temporal_patch_size`):
|
| 213 |
+
The temporal patch size of the vision encoder.
|
| 214 |
+
merge_size (`int`, *optional*, defaults to `self.merge_size`):
|
| 215 |
+
The merge size of the vision encoder to llm encoder.
|
| 216 |
+
do_convert_rgb (`bool`, *optional*, defaults to `self.do_convert_rgb`):
|
| 217 |
+
Whether to convert the image to RGB.
|
| 218 |
+
data_format (`ChannelDimension`, *optional*, defaults to `ChannelDimension.FIRST`):
|
| 219 |
+
The channel dimension format for the output image. Can be one of:
|
| 220 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 221 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 222 |
+
- Unset: Use the channel dimension format of the input image.
|
| 223 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 224 |
+
The channel dimension format for the input image. Can be one of:
|
| 225 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 226 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 227 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format. - `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 228 |
+
"""
|
| 229 |
+
images = make_list_of_images(images)
|
| 230 |
+
|
| 231 |
+
if do_convert_rgb:
|
| 232 |
+
images = [convert_to_rgb(image) for image in images]
|
| 233 |
+
|
| 234 |
+
# All transformations expect numpy arrays.
|
| 235 |
+
images = [to_numpy_array(image) for image in images]
|
| 236 |
+
|
| 237 |
+
if do_rescale and is_scaled_image(images[0]):
|
| 238 |
+
logger.warning_once(
|
| 239 |
+
"It looks like you are trying to rescale already rescaled images. If the input"
|
| 240 |
+
" images have pixel values between 0 and 1, set `do_rescale=False` to avoid rescaling them again."
|
| 241 |
+
)
|
| 242 |
+
if input_data_format is None:
|
| 243 |
+
# We assume that all images have the same channel dimension format.
|
| 244 |
+
input_data_format = infer_channel_dimension_format(images[0])
|
| 245 |
+
|
| 246 |
+
height, width = get_image_size(images[0], channel_dim=input_data_format)
|
| 247 |
+
resized_height, resized_width = height, width
|
| 248 |
+
processed_images = []
|
| 249 |
+
for image in images:
|
| 250 |
+
if do_resize:
|
| 251 |
+
resized_height, resized_width = smart_resize(
|
| 252 |
+
height,
|
| 253 |
+
width,
|
| 254 |
+
factor=patch_size * merge_size,
|
| 255 |
+
min_pixels=size["shortest_edge"],
|
| 256 |
+
max_pixels=size["longest_edge"],
|
| 257 |
+
)
|
| 258 |
+
image = resize(
|
| 259 |
+
image, size=(resized_height, resized_width), resample=resample, input_data_format=input_data_format
|
| 260 |
+
)
|
| 261 |
+
|
| 262 |
+
if do_rescale:
|
| 263 |
+
image = self.rescale(image, scale=rescale_factor, input_data_format=input_data_format)
|
| 264 |
+
|
| 265 |
+
if do_normalize:
|
| 266 |
+
image = self.normalize(
|
| 267 |
+
image=image, mean=image_mean, std=image_std, input_data_format=input_data_format
|
| 268 |
+
)
|
| 269 |
+
|
| 270 |
+
image = to_channel_dimension_format(image, data_format, input_channel_dim=input_data_format)
|
| 271 |
+
processed_images.append(image)
|
| 272 |
+
|
| 273 |
+
patches = np.array(processed_images)
|
| 274 |
+
if data_format == ChannelDimension.LAST:
|
| 275 |
+
patches = patches.transpose(0, 3, 1, 2)
|
| 276 |
+
if patches.shape[0] % temporal_patch_size != 0:
|
| 277 |
+
repeats = np.repeat(
|
| 278 |
+
patches[-1][np.newaxis], temporal_patch_size - (patches.shape[0] % temporal_patch_size), axis=0
|
| 279 |
+
)
|
| 280 |
+
patches = np.concatenate([patches, repeats], axis=0)
|
| 281 |
+
channel = patches.shape[1]
|
| 282 |
+
grid_t = patches.shape[0] // temporal_patch_size
|
| 283 |
+
grid_h, grid_w = resized_height // patch_size, resized_width // patch_size
|
| 284 |
+
patches = patches.reshape(
|
| 285 |
+
grid_t,
|
| 286 |
+
temporal_patch_size,
|
| 287 |
+
channel,
|
| 288 |
+
grid_h // merge_size,
|
| 289 |
+
merge_size,
|
| 290 |
+
patch_size,
|
| 291 |
+
grid_w // merge_size,
|
| 292 |
+
merge_size,
|
| 293 |
+
patch_size,
|
| 294 |
+
)
|
| 295 |
+
patches = patches.transpose(0, 3, 6, 4, 7, 2, 1, 5, 8)
|
| 296 |
+
flatten_patches = patches.reshape(
|
| 297 |
+
grid_t * grid_h * grid_w, channel * temporal_patch_size * patch_size * patch_size
|
| 298 |
+
)
|
| 299 |
+
|
| 300 |
+
return flatten_patches, (grid_t, grid_h, grid_w)
|
| 301 |
+
|
| 302 |
+
def preprocess(
|
| 303 |
+
self,
|
| 304 |
+
images: ImageInput,
|
| 305 |
+
videos: VideoInput = None,
|
| 306 |
+
do_resize: Optional[bool] = None,
|
| 307 |
+
size: Optional[Dict[str, int]] = None,
|
| 308 |
+
min_pixels: Optional[int] = None,
|
| 309 |
+
max_pixels: Optional[int] = None,
|
| 310 |
+
resample: PILImageResampling = None,
|
| 311 |
+
do_rescale: Optional[bool] = None,
|
| 312 |
+
rescale_factor: Optional[float] = None,
|
| 313 |
+
do_normalize: Optional[bool] = None,
|
| 314 |
+
image_mean: Optional[Union[float, List[float]]] = None,
|
| 315 |
+
image_std: Optional[Union[float, List[float]]] = None,
|
| 316 |
+
patch_size: Optional[int] = None,
|
| 317 |
+
temporal_patch_size: Optional[int] = None,
|
| 318 |
+
merge_size: Optional[int] = None,
|
| 319 |
+
do_convert_rgb: Optional[bool] = None,
|
| 320 |
+
return_tensors: Optional[Union[str, TensorType]] = None,
|
| 321 |
+
data_format: Optional[ChannelDimension] = ChannelDimension.FIRST,
|
| 322 |
+
input_data_format: Optional[Union[str, ChannelDimension]] = None,
|
| 323 |
+
):
|
| 324 |
+
"""
|
| 325 |
+
Args:
|
| 326 |
+
images (`ImageInput`):
|
| 327 |
+
Image to preprocess. Expects a single or batch of images with pixel values ranging from 0 to 255. If
|
| 328 |
+
passing in images with pixel values between 0 and 1, set `do_rescale=False`.
|
| 329 |
+
videos (`VideoInput`):
|
| 330 |
+
Video to preprocess. Expects a single or batch of videos with pixel values ranging from 0 to 255. If
|
| 331 |
+
passing in videos with pixel values between 0 and 1, set `do_rescale=False`.
|
| 332 |
+
do_resize (`bool`, *optional*, defaults to `self.do_resize`):
|
| 333 |
+
Whether to resize the image.
|
| 334 |
+
size (`Dict[str, int]`, *optional*, defaults to `self.size`):
|
| 335 |
+
Size of the image after resizing. Shortest edge of the image is resized to size["shortest_edge"], with
|
| 336 |
+
the longest edge resized to keep the input aspect ratio.
|
| 337 |
+
resample (`int`, *optional*, defaults to `self.resample`):
|
| 338 |
+
Resampling filter to use if resizing the image. This can be one of the enum `PILImageResampling`. Only
|
| 339 |
+
has an effect if `do_resize` is set to `True`.
|
| 340 |
+
do_rescale (`bool`, *optional*, defaults to `self.do_rescale`):
|
| 341 |
+
Whether to rescale the image.
|
| 342 |
+
rescale_factor (`float`, *optional*, defaults to `self.rescale_factor`):
|
| 343 |
+
Rescale factor to rescale the image by if `do_rescale` is set to `True`.
|
| 344 |
+
do_normalize (`bool`, *optional*, defaults to `self.do_normalize`):
|
| 345 |
+
Whether to normalize the image.
|
| 346 |
+
image_mean (`float` or `List[float]`, *optional*, defaults to `self.image_mean`):
|
| 347 |
+
Image mean to use for normalization. Only has an effect if `do_normalize` is set to `True`.
|
| 348 |
+
image_std (`float` or `List[float]`, *optional*, defaults to `self.image_std`):
|
| 349 |
+
Image standard deviation to use for normalization. Only has an effect if `do_normalize` is set to
|
| 350 |
+
`True`.
|
| 351 |
+
min_pixels (`int`, *optional*, defaults to `self.min_pixels`):
|
| 352 |
+
The min pixels of the image to resize the image.
|
| 353 |
+
max_pixels (`int`, *optional*, defaults to `self.max_pixels`):
|
| 354 |
+
The max pixels of the image to resize the image.
|
| 355 |
+
patch_size (`int`, *optional*, defaults to `self.patch_size`):
|
| 356 |
+
The spatial patch size of the vision encoder.
|
| 357 |
+
temporal_patch_size (`int`, *optional*, defaults to `self.temporal_patch_size`):
|
| 358 |
+
The temporal patch size of the vision encoder.
|
| 359 |
+
merge_size (`int`, *optional*, defaults to `self.merge_size`):
|
| 360 |
+
The merge size of the vision encoder to llm encoder.
|
| 361 |
+
do_convert_rgb (`bool`, *optional*, defaults to `self.do_convert_rgb`):
|
| 362 |
+
Whether to convert the image to RGB.
|
| 363 |
+
return_tensors (`str` or `TensorType`, *optional*):
|
| 364 |
+
The type of tensors to return. Can be one of:
|
| 365 |
+
- Unset: Return a list of `np.ndarray`.
|
| 366 |
+
- `TensorType.TENSORFLOW` or `'tf'`: Return a batch of type `tf.Tensor`.
|
| 367 |
+
- `TensorType.PYTORCH` or `'pt'`: Return a batch of type `torch.Tensor`.
|
| 368 |
+
- `TensorType.NUMPY` or `'np'`: Return a batch of type `np.ndarray`.
|
| 369 |
+
- `TensorType.JAX` or `'jax'`: Return a batch of type `jax.numpy.ndarray`.
|
| 370 |
+
data_format (`ChannelDimension` or `str`, *optional*, defaults to `ChannelDimension.FIRST`):
|
| 371 |
+
The channel dimension format for the output image. Can be one of:
|
| 372 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 373 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 374 |
+
- Unset: Use the channel dimension format of the input image.
|
| 375 |
+
input_data_format (`ChannelDimension` or `str`, *optional*):
|
| 376 |
+
The channel dimension format for the input image. If unset, the channel dimension format is inferred
|
| 377 |
+
from the input image. Can be one of:
|
| 378 |
+
- `"channels_first"` or `ChannelDimension.FIRST`: image in (num_channels, height, width) format.
|
| 379 |
+
- `"channels_last"` or `ChannelDimension.LAST`: image in (height, width, num_channels) format.
|
| 380 |
+
- `"none"` or `ChannelDimension.NONE`: image in (height, width) format.
|
| 381 |
+
|
| 382 |
+
"""
|
| 383 |
+
min_pixels = min_pixels if min_pixels is not None else self.min_pixels
|
| 384 |
+
max_pixels = max_pixels if max_pixels is not None else self.max_pixels
|
| 385 |
+
|
| 386 |
+
if size is not None:
|
| 387 |
+
if "shortest_edge" not in size or "longest_edge" not in size:
|
| 388 |
+
raise ValueError("size must contain 'shortest_edge' and 'longest_edge' keys.")
|
| 389 |
+
min_pixels = size["shortest_edge"]
|
| 390 |
+
elif min_pixels is not None and max_pixels is not None:
|
| 391 |
+
# backward compatibility: override size with min_pixels and max_pixels if they are provided
|
| 392 |
+
size = {"shortest_edge": min_pixels, "longest_edge": max_pixels}
|
| 393 |
+
else:
|
| 394 |
+
size = {**self.size}
|
| 395 |
+
|
| 396 |
+
do_resize = do_resize if do_resize is not None else self.do_resize
|
| 397 |
+
|
| 398 |
+
resample = resample if resample is not None else self.resample
|
| 399 |
+
do_rescale = do_rescale if do_rescale is not None else self.do_rescale
|
| 400 |
+
rescale_factor = rescale_factor if rescale_factor is not None else self.rescale_factor
|
| 401 |
+
do_normalize = do_normalize if do_normalize is not None else self.do_normalize
|
| 402 |
+
image_mean = image_mean if image_mean is not None else self.image_mean
|
| 403 |
+
image_std = image_std if image_std is not None else self.image_std
|
| 404 |
+
patch_size = patch_size if patch_size is not None else self.patch_size
|
| 405 |
+
temporal_patch_size = temporal_patch_size if temporal_patch_size is not None else self.temporal_patch_size
|
| 406 |
+
merge_size = merge_size if merge_size is not None else self.merge_size
|
| 407 |
+
do_convert_rgb = do_convert_rgb if do_convert_rgb is not None else self.do_convert_rgb
|
| 408 |
+
|
| 409 |
+
if images is not None:
|
| 410 |
+
images = make_flat_list_of_images(images)
|
| 411 |
+
|
| 412 |
+
if images is not None and not valid_images(images):
|
| 413 |
+
raise ValueError(
|
| 414 |
+
"Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, "
|
| 415 |
+
"torch.Tensor, tf.Tensor or jax.ndarray."
|
| 416 |
+
)
|
| 417 |
+
|
| 418 |
+
validate_preprocess_arguments(
|
| 419 |
+
rescale_factor=rescale_factor,
|
| 420 |
+
do_normalize=do_normalize,
|
| 421 |
+
image_mean=image_mean,
|
| 422 |
+
image_std=image_std,
|
| 423 |
+
do_resize=do_resize,
|
| 424 |
+
size=size,
|
| 425 |
+
resample=resample,
|
| 426 |
+
)
|
| 427 |
+
|
| 428 |
+
data = {}
|
| 429 |
+
if images is not None:
|
| 430 |
+
pixel_values, vision_grid_thws = [], []
|
| 431 |
+
for image in images:
|
| 432 |
+
patches, image_grid_thw = self._preprocess(
|
| 433 |
+
image,
|
| 434 |
+
do_resize=do_resize,
|
| 435 |
+
size=size,
|
| 436 |
+
resample=resample,
|
| 437 |
+
do_rescale=do_rescale,
|
| 438 |
+
rescale_factor=rescale_factor,
|
| 439 |
+
do_normalize=do_normalize,
|
| 440 |
+
image_mean=image_mean,
|
| 441 |
+
image_std=image_std,
|
| 442 |
+
patch_size=patch_size,
|
| 443 |
+
temporal_patch_size=temporal_patch_size,
|
| 444 |
+
merge_size=merge_size,
|
| 445 |
+
data_format=data_format,
|
| 446 |
+
do_convert_rgb=do_convert_rgb,
|
| 447 |
+
input_data_format=input_data_format,
|
| 448 |
+
)
|
| 449 |
+
pixel_values.extend(patches)
|
| 450 |
+
vision_grid_thws.append(image_grid_thw)
|
| 451 |
+
pixel_values = np.array(pixel_values)
|
| 452 |
+
vision_grid_thws = np.array(vision_grid_thws)
|
| 453 |
+
data.update({"pixel_values": pixel_values, "image_grid_thw": vision_grid_thws})
|
| 454 |
+
|
| 455 |
+
# kept for BC only and should be removed after v5.0
|
| 456 |
+
if videos is not None:
|
| 457 |
+
logger.warning(
|
| 458 |
+
"`Qwen2VLImageProcessor` works only with image inputs and doesn't process videos anymore. "
|
| 459 |
+
"This is a deprecated behavior and will be removed in v5.0. "
|
| 460 |
+
"Your videos should be forwarded to `Qwen2VLVideoProcessor`. "
|
| 461 |
+
)
|
| 462 |
+
videos = make_batched_videos(videos)
|
| 463 |
+
pixel_values_videos, vision_grid_thws_videos = [], []
|
| 464 |
+
for images in videos:
|
| 465 |
+
patches, video_grid_thw = self._preprocess(
|
| 466 |
+
images,
|
| 467 |
+
do_resize=do_resize,
|
| 468 |
+
size=size,
|
| 469 |
+
resample=resample,
|
| 470 |
+
do_rescale=do_rescale,
|
| 471 |
+
rescale_factor=rescale_factor,
|
| 472 |
+
do_normalize=do_normalize,
|
| 473 |
+
image_mean=image_mean,
|
| 474 |
+
image_std=image_std,
|
| 475 |
+
patch_size=patch_size,
|
| 476 |
+
temporal_patch_size=temporal_patch_size,
|
| 477 |
+
merge_size=merge_size,
|
| 478 |
+
data_format=data_format,
|
| 479 |
+
do_convert_rgb=do_convert_rgb,
|
| 480 |
+
input_data_format=input_data_format,
|
| 481 |
+
)
|
| 482 |
+
pixel_values_videos.extend(patches)
|
| 483 |
+
vision_grid_thws_videos.append(video_grid_thw)
|
| 484 |
+
data.update(
|
| 485 |
+
{
|
| 486 |
+
"pixel_values_videos": np.array(pixel_values_videos),
|
| 487 |
+
"video_grid_thw": np.array(vision_grid_thws_videos),
|
| 488 |
+
}
|
| 489 |
+
)
|
| 490 |
+
|
| 491 |
+
return BatchFeature(data=data, tensor_type=return_tensors)
|
| 492 |
+
|
| 493 |
+
|
| 494 |
+
__all__ = ["Qwen2VLImageProcessor"]
|
model.safetensors
ADDED
|
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
version https://git-lfs.github.com/spec/v1
|
| 2 |
+
oid sha256:a2e3f1f331eb3aa68636be825a1b058b147bbf0d6d87af2333d3c317fcb8bdff
|
| 3 |
+
size 1330580320
|
modeling_qwen2_vl.py
ADDED
|
@@ -0,0 +1,410 @@
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
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|
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|
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|
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|
|
|
|
|
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|
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|
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|
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|
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|
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|
|
|
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|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# coding=utf-8
|
| 2 |
+
# Copyright 2024 The Qwen team, Alibaba Group and the HuggingFace Inc. team. All rights reserved.
|
| 3 |
+
#
|
| 4 |
+
# This code is based on EleutherAI's GPT-NeoX library and the GPT-NeoX
|
| 5 |
+
# and OPT implementations in this library. It has been modified from its
|
| 6 |
+
# original forms to accommodate minor architectural differences compared
|
| 7 |
+
# to GPT-NeoX and OPT used by the Meta AI team that trained the model.
|
| 8 |
+
#
|
| 9 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 10 |
+
# you may not use this file except in compliance with the License.
|
| 11 |
+
# You may obtain a copy of the License at
|
| 12 |
+
#
|
| 13 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 14 |
+
#
|
| 15 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 16 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 17 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 18 |
+
# See the License for the specific language governing permissions and
|
| 19 |
+
# limitations under the License.
|
| 20 |
+
"""PyTorch Qwen2-VL model."""
|
| 21 |
+
|
| 22 |
+
import math
|
| 23 |
+
from dataclasses import dataclass
|
| 24 |
+
from typing import Any, Dict, List, Optional, Tuple, Union
|
| 25 |
+
|
| 26 |
+
import torch
|
| 27 |
+
import torch.nn as nn
|
| 28 |
+
import torch.nn.functional as F
|
| 29 |
+
from torch.nn import LayerNorm
|
| 30 |
+
|
| 31 |
+
from transformers.activations import ACT2FN
|
| 32 |
+
from transformers.modeling_flash_attention_utils import is_flash_attn_available
|
| 33 |
+
from transformers.modeling_utils import PreTrainedModel
|
| 34 |
+
from transformers.utils import auto_docstring, logging
|
| 35 |
+
from .configuration_qwen2_vl import Qwen2VLVisionConfig
|
| 36 |
+
|
| 37 |
+
|
| 38 |
+
if is_flash_attn_available():
|
| 39 |
+
from transformers.modeling_flash_attention_utils import flash_attn_varlen_func
|
| 40 |
+
|
| 41 |
+
|
| 42 |
+
|
| 43 |
+
logger = logging.get_logger(__name__)
|
| 44 |
+
|
| 45 |
+
|
| 46 |
+
# Copied from transformers.models.llama.modeling_llama.rotate_half
|
| 47 |
+
def rotate_half(x):
|
| 48 |
+
"""Rotates half the hidden dims of the input."""
|
| 49 |
+
x1 = x[..., : x.shape[-1] // 2]
|
| 50 |
+
x2 = x[..., x.shape[-1] // 2 :]
|
| 51 |
+
return torch.cat((-x2, x1), dim=-1)
|
| 52 |
+
|
| 53 |
+
def apply_rotary_pos_emb_vision(
|
| 54 |
+
q: torch.Tensor, k: torch.Tensor, cos: torch.Tensor, sin: torch.Tensor
|
| 55 |
+
) -> Tuple[torch.Tensor, torch.Tensor]:
|
| 56 |
+
orig_q_dtype = q.dtype
|
| 57 |
+
orig_k_dtype = k.dtype
|
| 58 |
+
q, k = q.float(), k.float()
|
| 59 |
+
cos, sin = cos.unsqueeze(-2).float(), sin.unsqueeze(-2).float()
|
| 60 |
+
q_embed = (q * cos) + (rotate_half(q) * sin)
|
| 61 |
+
k_embed = (k * cos) + (rotate_half(k) * sin)
|
| 62 |
+
q_embed = q_embed.to(orig_q_dtype)
|
| 63 |
+
k_embed = k_embed.to(orig_k_dtype)
|
| 64 |
+
return q_embed, k_embed
|
| 65 |
+
|
| 66 |
+
|
| 67 |
+
class VisionRotaryEmbedding(nn.Module):
|
| 68 |
+
def __init__(self, dim: int, theta: float = 10000.0) -> None:
|
| 69 |
+
super().__init__()
|
| 70 |
+
inv_freq = 1.0 / (theta ** (torch.arange(0, dim, 2, dtype=torch.float) / dim))
|
| 71 |
+
self.register_buffer("inv_freq", inv_freq, persistent=False)
|
| 72 |
+
|
| 73 |
+
def forward(self, seqlen: int) -> torch.Tensor:
|
| 74 |
+
seq = torch.arange(seqlen, device=self.inv_freq.device, dtype=self.inv_freq.dtype)
|
| 75 |
+
freqs = torch.outer(seq, self.inv_freq)
|
| 76 |
+
return freqs
|
| 77 |
+
|
| 78 |
+
|
| 79 |
+
class PatchEmbed(nn.Module):
|
| 80 |
+
def __init__(
|
| 81 |
+
self,
|
| 82 |
+
patch_size: int = 14,
|
| 83 |
+
temporal_patch_size: int = 2,
|
| 84 |
+
in_channels: int = 3,
|
| 85 |
+
embed_dim: int = 1152,
|
| 86 |
+
) -> None:
|
| 87 |
+
super().__init__()
|
| 88 |
+
self.patch_size = patch_size
|
| 89 |
+
self.temporal_patch_size = temporal_patch_size
|
| 90 |
+
self.in_channels = in_channels
|
| 91 |
+
self.embed_dim = embed_dim
|
| 92 |
+
|
| 93 |
+
kernel_size = [temporal_patch_size, patch_size, patch_size]
|
| 94 |
+
self.proj = nn.Conv3d(in_channels, embed_dim, kernel_size=kernel_size, stride=kernel_size, bias=False)
|
| 95 |
+
|
| 96 |
+
def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
|
| 97 |
+
target_dtype = self.proj.weight.dtype
|
| 98 |
+
hidden_states = hidden_states.view(
|
| 99 |
+
-1, self.in_channels, self.temporal_patch_size, self.patch_size, self.patch_size
|
| 100 |
+
)
|
| 101 |
+
hidden_states = self.proj(hidden_states.to(dtype=target_dtype)).view(-1, self.embed_dim)
|
| 102 |
+
return hidden_states
|
| 103 |
+
|
| 104 |
+
|
| 105 |
+
class PatchMerger(nn.Module):
|
| 106 |
+
def __init__(self, dim: int, context_dim: int, spatial_merge_size: int = 2) -> None:
|
| 107 |
+
super().__init__()
|
| 108 |
+
self.hidden_size = context_dim * (spatial_merge_size**2)
|
| 109 |
+
self.ln_q = LayerNorm(context_dim, eps=1e-6)
|
| 110 |
+
self.mlp = nn.Sequential(
|
| 111 |
+
nn.Linear(self.hidden_size, self.hidden_size),
|
| 112 |
+
nn.GELU(),
|
| 113 |
+
nn.Linear(self.hidden_size, dim),
|
| 114 |
+
)
|
| 115 |
+
|
| 116 |
+
def forward(self, x: torch.Tensor) -> torch.Tensor:
|
| 117 |
+
x = self.mlp(self.ln_q(x).view(-1, self.hidden_size))
|
| 118 |
+
return x
|
| 119 |
+
|
| 120 |
+
|
| 121 |
+
class VisionMlp(nn.Module):
|
| 122 |
+
def __init__(self, dim: int, hidden_dim: int, hidden_act: str) -> None:
|
| 123 |
+
super().__init__()
|
| 124 |
+
self.fc1 = nn.Linear(dim, hidden_dim)
|
| 125 |
+
self.act = ACT2FN[hidden_act]
|
| 126 |
+
self.fc2 = nn.Linear(hidden_dim, dim)
|
| 127 |
+
|
| 128 |
+
def forward(self, x) -> torch.Tensor:
|
| 129 |
+
return self.fc2(self.act(self.fc1(x)))
|
| 130 |
+
|
| 131 |
+
|
| 132 |
+
class VisionAttention(nn.Module):
|
| 133 |
+
def __init__(self, dim: int, num_heads: int = 16) -> None:
|
| 134 |
+
super().__init__()
|
| 135 |
+
self.num_heads = num_heads
|
| 136 |
+
self.head_dim = dim // num_heads
|
| 137 |
+
self.qkv = nn.Linear(dim, dim * 3, bias=True)
|
| 138 |
+
self.proj = nn.Linear(dim, dim)
|
| 139 |
+
|
| 140 |
+
def forward(
|
| 141 |
+
self,
|
| 142 |
+
hidden_states: torch.Tensor,
|
| 143 |
+
cu_seqlens: torch.Tensor,
|
| 144 |
+
rotary_pos_emb: Optional[torch.Tensor] = None,
|
| 145 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 146 |
+
) -> torch.Tensor:
|
| 147 |
+
seq_length = hidden_states.shape[0]
|
| 148 |
+
q, k, v = self.qkv(hidden_states).reshape(seq_length, 3, self.num_heads, -1).permute(1, 0, 2, 3).unbind(0)
|
| 149 |
+
if position_embeddings is None:
|
| 150 |
+
logger.warning_once(
|
| 151 |
+
"The attention layers in this model are transitioning from computing the RoPE embeddings internally "
|
| 152 |
+
"through `rotary_pos_emb` (2D tensor of RoPE theta values), to using externally computed "
|
| 153 |
+
"`position_embeddings` (Tuple of tensors, containing cos and sin). In v4.54 `rotary_pos_emb` will be "
|
| 154 |
+
"removed and `position_embeddings` will be mandatory."
|
| 155 |
+
)
|
| 156 |
+
emb = torch.cat((rotary_pos_emb, rotary_pos_emb), dim=-1)
|
| 157 |
+
cos = emb.cos()
|
| 158 |
+
sin = emb.sin()
|
| 159 |
+
else:
|
| 160 |
+
cos, sin = position_embeddings
|
| 161 |
+
q, k = apply_rotary_pos_emb_vision(q, k, cos, sin)
|
| 162 |
+
|
| 163 |
+
attention_mask = torch.full(
|
| 164 |
+
[1, seq_length, seq_length], torch.finfo(q.dtype).min, device=q.device, dtype=q.dtype
|
| 165 |
+
)
|
| 166 |
+
for i in range(1, len(cu_seqlens)):
|
| 167 |
+
attention_mask[..., cu_seqlens[i - 1] : cu_seqlens[i], cu_seqlens[i - 1] : cu_seqlens[i]] = 0
|
| 168 |
+
|
| 169 |
+
q = q.transpose(0, 1)
|
| 170 |
+
k = k.transpose(0, 1)
|
| 171 |
+
v = v.transpose(0, 1)
|
| 172 |
+
attn_weights = torch.matmul(q, k.transpose(1, 2)) / math.sqrt(self.head_dim)
|
| 173 |
+
attn_weights = attn_weights + attention_mask
|
| 174 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(q.dtype)
|
| 175 |
+
attn_output = torch.matmul(attn_weights, v)
|
| 176 |
+
attn_output = attn_output.transpose(0, 1)
|
| 177 |
+
attn_output = attn_output.reshape(seq_length, -1)
|
| 178 |
+
attn_output = self.proj(attn_output)
|
| 179 |
+
return attn_output
|
| 180 |
+
|
| 181 |
+
|
| 182 |
+
class VisionFlashAttention2(nn.Module):
|
| 183 |
+
def __init__(self, dim: int, num_heads: int = 16) -> None:
|
| 184 |
+
super().__init__()
|
| 185 |
+
self.num_heads = num_heads
|
| 186 |
+
self.qkv = nn.Linear(dim, dim * 3, bias=True)
|
| 187 |
+
self.proj = nn.Linear(dim, dim)
|
| 188 |
+
|
| 189 |
+
def forward(
|
| 190 |
+
self,
|
| 191 |
+
hidden_states: torch.Tensor,
|
| 192 |
+
cu_seqlens: torch.Tensor,
|
| 193 |
+
rotary_pos_emb: Optional[torch.Tensor] = None,
|
| 194 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 195 |
+
) -> torch.Tensor:
|
| 196 |
+
seq_length = hidden_states.shape[0]
|
| 197 |
+
q, k, v = self.qkv(hidden_states).reshape(seq_length, 3, self.num_heads, -1).permute(1, 0, 2, 3).unbind(0)
|
| 198 |
+
if position_embeddings is None:
|
| 199 |
+
logger.warning_once(
|
| 200 |
+
"The attention layers in this model are transitioning from computing the RoPE embeddings internally "
|
| 201 |
+
"through `rotary_pos_emb` (2D tensor of RoPE theta values), to using externally computed "
|
| 202 |
+
"`position_embeddings` (Tuple of tensors, containing cos and sin). In v4.54 `rotary_pos_emb` will be "
|
| 203 |
+
"removed and `position_embeddings` will be mandatory."
|
| 204 |
+
)
|
| 205 |
+
emb = torch.cat((rotary_pos_emb, rotary_pos_emb), dim=-1)
|
| 206 |
+
cos = emb.cos()
|
| 207 |
+
sin = emb.sin()
|
| 208 |
+
else:
|
| 209 |
+
cos, sin = position_embeddings
|
| 210 |
+
q, k = apply_rotary_pos_emb_vision(q, k, cos, sin)
|
| 211 |
+
|
| 212 |
+
max_seqlen = (cu_seqlens[1:] - cu_seqlens[:-1]).max().item()
|
| 213 |
+
attn_output = flash_attn_varlen_func(q, k, v, cu_seqlens, cu_seqlens, max_seqlen, max_seqlen).reshape(
|
| 214 |
+
seq_length, -1
|
| 215 |
+
)
|
| 216 |
+
attn_output = self.proj(attn_output)
|
| 217 |
+
return attn_output
|
| 218 |
+
|
| 219 |
+
|
| 220 |
+
class VisionSdpaAttention(nn.Module):
|
| 221 |
+
def __init__(self, dim: int, num_heads: int = 16) -> None:
|
| 222 |
+
super().__init__()
|
| 223 |
+
self.num_heads = num_heads
|
| 224 |
+
self.qkv = nn.Linear(dim, dim * 3, bias=True)
|
| 225 |
+
self.proj = nn.Linear(dim, dim)
|
| 226 |
+
|
| 227 |
+
def forward(
|
| 228 |
+
self,
|
| 229 |
+
hidden_states: torch.Tensor,
|
| 230 |
+
cu_seqlens: torch.Tensor,
|
| 231 |
+
rotary_pos_emb: Optional[torch.Tensor] = None,
|
| 232 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 233 |
+
) -> torch.Tensor:
|
| 234 |
+
seq_length = hidden_states.shape[0]
|
| 235 |
+
q, k, v = self.qkv(hidden_states).reshape(seq_length, 3, self.num_heads, -1).permute(1, 0, 2, 3).unbind(0)
|
| 236 |
+
if position_embeddings is None:
|
| 237 |
+
logger.warning_once(
|
| 238 |
+
"The attention layers in this model are transitioning from computing the RoPE embeddings internally "
|
| 239 |
+
"through `rotary_pos_emb` (2D tensor of RoPE theta values), to using externally computed "
|
| 240 |
+
"`position_embeddings` (Tuple of tensors, containing cos and sin). In v4.54 `rotary_pos_emb` will be "
|
| 241 |
+
"removed and `position_embeddings` will be mandatory."
|
| 242 |
+
)
|
| 243 |
+
emb = torch.cat((rotary_pos_emb, rotary_pos_emb), dim=-1)
|
| 244 |
+
cos = emb.cos()
|
| 245 |
+
sin = emb.sin()
|
| 246 |
+
else:
|
| 247 |
+
cos, sin = position_embeddings
|
| 248 |
+
q, k = apply_rotary_pos_emb_vision(q, k, cos, sin)
|
| 249 |
+
|
| 250 |
+
attention_mask = torch.zeros([1, seq_length, seq_length], device=q.device, dtype=torch.bool)
|
| 251 |
+
for i in range(1, len(cu_seqlens)):
|
| 252 |
+
attention_mask[..., cu_seqlens[i - 1] : cu_seqlens[i], cu_seqlens[i - 1] : cu_seqlens[i]] = True
|
| 253 |
+
q = q.transpose(0, 1)
|
| 254 |
+
k = k.transpose(0, 1)
|
| 255 |
+
v = v.transpose(0, 1)
|
| 256 |
+
attn_output = F.scaled_dot_product_attention(
|
| 257 |
+
q.unsqueeze(0), k.unsqueeze(0), v.unsqueeze(0), attention_mask, dropout_p=0.0
|
| 258 |
+
)
|
| 259 |
+
attn_output = attn_output.squeeze(0).transpose(0, 1)
|
| 260 |
+
attn_output = attn_output.reshape(seq_length, -1)
|
| 261 |
+
attn_output = self.proj(attn_output)
|
| 262 |
+
return attn_output
|
| 263 |
+
|
| 264 |
+
|
| 265 |
+
QWEN2_VL_VISION_ATTENTION_CLASSES = {
|
| 266 |
+
"eager": VisionAttention,
|
| 267 |
+
"flash_attention_2": VisionFlashAttention2,
|
| 268 |
+
"sdpa": VisionSdpaAttention,
|
| 269 |
+
}
|
| 270 |
+
|
| 271 |
+
|
| 272 |
+
class Qwen2VLVisionBlock(nn.Module):
|
| 273 |
+
def __init__(self, config, attn_implementation: str = "sdpa") -> None:
|
| 274 |
+
super().__init__()
|
| 275 |
+
self.norm1 = LayerNorm(config.embed_dim, eps=1e-6)
|
| 276 |
+
self.norm2 = LayerNorm(config.embed_dim, eps=1e-6)
|
| 277 |
+
mlp_hidden_dim = int(config.embed_dim * config.mlp_ratio)
|
| 278 |
+
|
| 279 |
+
self.attn = QWEN2_VL_VISION_ATTENTION_CLASSES[attn_implementation](
|
| 280 |
+
config.embed_dim, num_heads=config.num_heads
|
| 281 |
+
)
|
| 282 |
+
self.mlp = VisionMlp(dim=config.embed_dim, hidden_dim=mlp_hidden_dim, hidden_act=config.hidden_act)
|
| 283 |
+
|
| 284 |
+
def forward(
|
| 285 |
+
self,
|
| 286 |
+
hidden_states: torch.Tensor,
|
| 287 |
+
cu_seqlens: torch.Tensor,
|
| 288 |
+
rotary_pos_emb: Optional[torch.Tensor] = None,
|
| 289 |
+
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
| 290 |
+
) -> torch.Tensor:
|
| 291 |
+
hidden_states = hidden_states + self.attn(
|
| 292 |
+
self.norm1(hidden_states),
|
| 293 |
+
cu_seqlens=cu_seqlens,
|
| 294 |
+
rotary_pos_emb=rotary_pos_emb,
|
| 295 |
+
position_embeddings=position_embeddings,
|
| 296 |
+
)
|
| 297 |
+
hidden_states = hidden_states + self.mlp(self.norm2(hidden_states))
|
| 298 |
+
return hidden_states
|
| 299 |
+
|
| 300 |
+
@auto_docstring
|
| 301 |
+
class Qwen2VisionTransformerPretrainedModel(PreTrainedModel):
|
| 302 |
+
config_class = Qwen2VLVisionConfig
|
| 303 |
+
base_model_prefix = "model"
|
| 304 |
+
supports_gradient_checkpointing = True
|
| 305 |
+
_no_split_modules = ["Qwen2VLVisionBlock"]
|
| 306 |
+
_skip_keys_device_placement = "past_key_values"
|
| 307 |
+
_supports_flash_attn_2 = True
|
| 308 |
+
_supports_sdpa = True
|
| 309 |
+
_supports_cache_class = True
|
| 310 |
+
_supports_static_cache = False # TODO (joao): fix. torch.compile failing probably due to `cache_positions`
|
| 311 |
+
|
| 312 |
+
def __init__(self, config) -> None:
|
| 313 |
+
super().__init__(config)
|
| 314 |
+
self.spatial_merge_size = config.spatial_merge_size
|
| 315 |
+
|
| 316 |
+
self.patch_embed = PatchEmbed(
|
| 317 |
+
patch_size=config.patch_size,
|
| 318 |
+
temporal_patch_size=config.temporal_patch_size,
|
| 319 |
+
in_channels=config.in_channels,
|
| 320 |
+
embed_dim=config.embed_dim,
|
| 321 |
+
)
|
| 322 |
+
|
| 323 |
+
head_dim = config.embed_dim // config.num_heads
|
| 324 |
+
self.rotary_pos_emb = VisionRotaryEmbedding(head_dim // 2)
|
| 325 |
+
|
| 326 |
+
self.blocks = nn.ModuleList(
|
| 327 |
+
[Qwen2VLVisionBlock(config, config._attn_implementation) for _ in range(config.depth)]
|
| 328 |
+
)
|
| 329 |
+
self.merger = PatchMerger(
|
| 330 |
+
dim=config.hidden_size, context_dim=config.embed_dim, spatial_merge_size=config.spatial_merge_size
|
| 331 |
+
)
|
| 332 |
+
self.gradient_checkpointing = False
|
| 333 |
+
|
| 334 |
+
def _init_weights(self, module):
|
| 335 |
+
std = self.config.initializer_range
|
| 336 |
+
if isinstance(module, (nn.Linear, nn.Conv3d)):
|
| 337 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 338 |
+
if module.bias is not None:
|
| 339 |
+
module.bias.data.zero_()
|
| 340 |
+
elif isinstance(module, nn.Embedding):
|
| 341 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
| 342 |
+
if module.padding_idx is not None:
|
| 343 |
+
module.weight.data[module.padding_idx].zero_()
|
| 344 |
+
|
| 345 |
+
def get_dtype(self) -> torch.dtype:
|
| 346 |
+
return self.blocks[0].mlp.fc2.weight.dtype
|
| 347 |
+
|
| 348 |
+
def get_device(self) -> torch.device:
|
| 349 |
+
return self.blocks[0].mlp.fc2.weight.device
|
| 350 |
+
|
| 351 |
+
def rot_pos_emb(self, grid_thw):
|
| 352 |
+
pos_ids = []
|
| 353 |
+
for t, h, w in grid_thw:
|
| 354 |
+
hpos_ids = torch.arange(h).unsqueeze(1).expand(-1, w)
|
| 355 |
+
hpos_ids = hpos_ids.reshape(
|
| 356 |
+
h // self.spatial_merge_size,
|
| 357 |
+
self.spatial_merge_size,
|
| 358 |
+
w // self.spatial_merge_size,
|
| 359 |
+
self.spatial_merge_size,
|
| 360 |
+
)
|
| 361 |
+
hpos_ids = hpos_ids.permute(0, 2, 1, 3)
|
| 362 |
+
hpos_ids = hpos_ids.flatten()
|
| 363 |
+
|
| 364 |
+
wpos_ids = torch.arange(w).unsqueeze(0).expand(h, -1)
|
| 365 |
+
wpos_ids = wpos_ids.reshape(
|
| 366 |
+
h // self.spatial_merge_size,
|
| 367 |
+
self.spatial_merge_size,
|
| 368 |
+
w // self.spatial_merge_size,
|
| 369 |
+
self.spatial_merge_size,
|
| 370 |
+
)
|
| 371 |
+
wpos_ids = wpos_ids.permute(0, 2, 1, 3)
|
| 372 |
+
wpos_ids = wpos_ids.flatten()
|
| 373 |
+
pos_ids.append(torch.stack([hpos_ids, wpos_ids], dim=-1).repeat(t, 1))
|
| 374 |
+
pos_ids = torch.cat(pos_ids, dim=0)
|
| 375 |
+
max_grid_size = grid_thw[:, 1:].max()
|
| 376 |
+
rotary_pos_emb_full = self.rotary_pos_emb(max_grid_size)
|
| 377 |
+
rotary_pos_emb = rotary_pos_emb_full[pos_ids].flatten(1)
|
| 378 |
+
return rotary_pos_emb
|
| 379 |
+
|
| 380 |
+
@auto_docstring
|
| 381 |
+
def forward(self, hidden_states: torch.Tensor, grid_thw: torch.Tensor) -> torch.Tensor:
|
| 382 |
+
r"""
|
| 383 |
+
grid_thw (`torch.LongTensor` of shape `(num_images, 3)`):
|
| 384 |
+
The temporal, height and width dimensions of feature shape for each image. Each row contains [t, h, w] values.
|
| 385 |
+
"""
|
| 386 |
+
hidden_states = self.patch_embed(hidden_states)
|
| 387 |
+
rotary_pos_emb = self.rot_pos_emb(grid_thw)
|
| 388 |
+
emb = torch.cat((rotary_pos_emb, rotary_pos_emb), dim=-1)
|
| 389 |
+
position_embeddings = (emb.cos(), emb.sin())
|
| 390 |
+
|
| 391 |
+
cu_seqlens = torch.repeat_interleave(grid_thw[:, 1] * grid_thw[:, 2], grid_thw[:, 0]).cumsum(
|
| 392 |
+
dim=0,
|
| 393 |
+
# Select dtype based on the following factors:
|
| 394 |
+
# - FA2 requires that cu_seqlens_q must have dtype int32
|
| 395 |
+
# - torch.onnx.export requires that cu_seqlens_q must have same dtype as grid_thw
|
| 396 |
+
# See https://github.com/huggingface/transformers/pull/34852 for more information
|
| 397 |
+
dtype=grid_thw.dtype if torch.jit.is_tracing() else torch.int32,
|
| 398 |
+
)
|
| 399 |
+
cu_seqlens = F.pad(cu_seqlens, (1, 0), value=0)
|
| 400 |
+
|
| 401 |
+
for blk in self.blocks:
|
| 402 |
+
if self.gradient_checkpointing and self.training:
|
| 403 |
+
hidden_states = self._gradient_checkpointing_func(
|
| 404 |
+
blk.__call__, hidden_states, cu_seqlens, None, position_embeddings
|
| 405 |
+
)
|
| 406 |
+
else:
|
| 407 |
+
hidden_states = blk(hidden_states, cu_seqlens=cu_seqlens, position_embeddings=position_embeddings)
|
| 408 |
+
|
| 409 |
+
return self.merger(hidden_states)
|
| 410 |
+
|
preprocessor_config.json
ADDED
|
@@ -0,0 +1,30 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
{
|
| 2 |
+
"auto_map": {
|
| 3 |
+
"AutoImageProcessor": "image_processing_qwen2_vl.Qwen2VLImageProcessor"
|
| 4 |
+
},
|
| 5 |
+
"do_convert_rgb": true,
|
| 6 |
+
"do_normalize": true,
|
| 7 |
+
"do_rescale": true,
|
| 8 |
+
"do_resize": true,
|
| 9 |
+
"image_mean": [
|
| 10 |
+
0.48145466,
|
| 11 |
+
0.4578275,
|
| 12 |
+
0.40821073
|
| 13 |
+
],
|
| 14 |
+
"image_std": [
|
| 15 |
+
0.26862954,
|
| 16 |
+
0.26130258,
|
| 17 |
+
0.27577711
|
| 18 |
+
],
|
| 19 |
+
"max_pixels": 12845056,
|
| 20 |
+
"merge_size": 2,
|
| 21 |
+
"min_pixels": 3136,
|
| 22 |
+
"patch_size": 14,
|
| 23 |
+
"resample": 3,
|
| 24 |
+
"rescale_factor": 0.00392156862745098,
|
| 25 |
+
"size": {
|
| 26 |
+
"longest_edge": 12845056,
|
| 27 |
+
"shortest_edge": 3136
|
| 28 |
+
},
|
| 29 |
+
"temporal_patch_size": 2
|
| 30 |
+
}
|